Kern.js

Make web kerning suck less.

To start using Kern.JS, first deploy the easy-to-use Lettering.JS
on your page. Once installed, come back here and drag the big blue
icon to your bookmarks bar. Letters can be kerned by selecting and
dragging them, or by using the arrow keys. Now with em-based
adjustments! You can also
use this on the software
for your intranet